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105105066 = 231131471093
BaseRepresentation
bin1100100001111…
…00011010101010
321022202220001020
412100330122222
5203401330231
614232433310
72414243523
oct620743252
9238686036
10105105066
1154368aa0
122b248836
1318a10361
14dd5d84a
159362396
hex643c6aa

105105066 has 64 divisors (see below), whose sum is σ = 241975296. Its totient is φ = 30139200.

The previous prime is 105105061. The next prime is 105105083. The reversal of 105105066 is 660501501.

It is a super-2 number, since 2×1051050662 = 22094149797728712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105105061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95616 + ... + 96708.

It is an arithmetic number, because the mean of its divisors is an integer number (3780864).

Almost surely, 2105105066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105105066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120987648).

105105066 is an abundant number, since it is smaller than the sum of its proper divisors (136870230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105105066 is a wasteful number, since it uses less digits than its factorization.

105105066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 105105066 is about 10252.0761799745. The cubic root of 105105066 is about 471.9267008890.

Adding to 105105066 its reverse (660501501), we get a palindrome (765606567).

It can be divided in two parts, 10510 and 5066, that added together give a triangular number (15576 = T176).

The spelling of 105105066 in words is "one hundred five million, one hundred five thousand, sixty-six".

Divisors: 1 2 3 6 11 22 31 33 47 62 66 93 94 141 186 282 341 517 682 1023 1034 1093 1457 1551 2046 2186 2914 3102 3279 4371 6558 8742 12023 16027 24046 32054 33883 36069 48081 51371 67766 72138 96162 101649 102742 154113 203298 308226 372713 565081 745426 1118139 1130162 1592501 1695243 2236278 3185002 3390486 4777503 9555006 17517511 35035022 52552533 105105066